diff --git a/application/admin/model/User.php b/application/admin/model/User.php
index 822c81b1743d5623f582f1d6d7bb2a64b99045d1..7b580bd75e006088a00d1af66ac85f819fcb3e91 100644
--- a/application/admin/model/User.php
+++ b/application/admin/model/User.php
@@ -70,19 +70,19 @@ class User extends Model
 
     public function getPrevtimeTextAttr($value, $data)
     {
-        $value = $value ? $value : $data['prevtime'];
+        $value = $value ? $value : $data['prevtime'] ?? '';
         return is_numeric($value) ? date("Y-m-d H:i:s", $value) : $value;
     }
 
     public function getLogintimeTextAttr($value, $data)
     {
-        $value = $value ? $value : $data['logintime'];
+        $value = $value ? $value : $data['logintime'] ?? '';
         return is_numeric($value) ? date("Y-m-d H:i:s", $value) : $value;
     }
 
     public function getJointimeTextAttr($value, $data)
     {
-        $value = $value ? $value : $data['jointime'];
+        $value = $value ? $value : $data['jointime'] ?? '';
         return is_numeric($value) ? date("Y-m-d H:i:s", $value) : $value;
     }